Invention of the Barbie DollFascinating facts about the invention of the Barbie Doll by Ruth Handler in 1959.http://ideafinder.com/history/inventions/barbi...

Invention of the Safety PinFascinating facts about the invention of the Safety Pin by Walter Hunt in 1849.http://ideafinder.com/history/inventions/safep...

Invention of Paper CupsFascinating facts about the invention of Paper Cups by Hugh Moore in 1900.http://ideafinder.com/history/inventions/dixie...

George Westinghouse, Jr.George Westinghouse invented a system of air brakes.http://https://en.wikipedia.org/wiki/George_Westinghouse

Charles J. PlankHe invented the first zeolite catalyst commercially useful in the petroleum industry for catalytic cracking of petroleum into lighter products such as gasoline.http://invent.org/hall_of_fame/1_1_6_detail.as...

Invention of the Gutenberg BibleFascinating facts about the invention of the Gutenberg Bible by inventors Johann Gutenberg, Johann Fust, between 1450 and 1456.http://ideafinder.com/features/everwonder/won-...

Lewis Hastings SarettChemist Lewis Hastings Sarett prepared a synthetic version of the hormone cortisone, which was soon demonstrated as an effective treatment against rheumatoid arthritis.http://https://en.wikipedia.org/wiki/Lewis_Hastings_Saret...

Leonard Michael GreeneInvented a device that warns pilots when a deadly aerodynamic stall is imminent.http://https://en.wikipedia.org/wiki/Leonard_Greene